Nauplius, protozoea and zoea can be further divided into 4, 3 and 2 substages, respectively.

各又无节幼体四、蚤状幼体三虾二。

Larval stages could be divided into four stages: nauplius, protozea, zoea and postlarva.

幼体的发育四:无节幼体、蚤状幼体、虾仔虾。